Qorivva MPC5744P Evaluation Board 144LQFP Expansion Board User’s Guide, Rev. 1
EVB configuration
Freescale Semiconductor4
The EVB can also operate as a standalone device, in which power can be supplied from an external power
source or from the on-board PwrSBC device.
Table 1 summarizes the switch settings for the three power options.
Table 1. Switch settings — power options
Jumper Setting Description
J1 Choose one:
2–4 ON
3–4 ON
4–6 ON
High voltage I/O power
VDD_HV_IO — 3.3 V from PwrSBC
VDD_HV_IO — 3.3 V from main board (default)
VDD_HV_IO — 3.3 V from external supply
J3 Choose one:
2–4 ON
3–4 ON
4–6 ON
High voltage flash power
VDD_HV_FLA0 — 3.3 V from PwrSBC
VDD_HV_FLA0 — 3.3 V from main board (default)
VDD_HV_FLA0 — 3.3 V from external supply
J19 Choose one:
2–4 ON
3–4 ON
4–6 ON
High voltage oscillator power
VDD_HV_OSC0 — 3.3 V from PwrSBC
VDD_HV_OSC0 — 3.3 V from main board (default)
VDD_HV_OSC0 — 3.3 V from external supply
J20 Choose one:
2–4 ON
3–4 ON
7–8 ON
6–8 ON
8–10 ON
High voltage ADC0/2 reference
VDD_HV_ADR0 — from PwrSBC, see J24
VDD_HV_ADR0 — 3.3 V from main board (default)
VDD_HV_ADR0 — 5 V from main board
VDD_HV_ADR0 — 3.3 V from external supply
VDD_HV_ADR0 — 5 V from external supply
J21 Choose one:
2–4 ON
3–4 ON
7–8 ON
6–8 ON
8–10 ON
High voltage ADC1/3 reference
VDD_HV_ADR1 — from PwrSBC (see J24)
VDD_HV_ADR1 — 3.3 V from main board (default)
VDD_HV_ADR1 — 5 V from main board
VDD_HV_ADR1 — 3.3 V from external supply
VDD_HV_ADR1 — 5 V from external supply
J24 Choose one:
2–4 ON
1–3 ON
5 V/3.3 V select for ADC reference
VDD_HV_ADR0 and VDD_HV_ADR1 — 3.3 V from PwrSBC (default)
VDD_HV_ADR0 and VDD_HV_ADR1 — 5 V from PwrSBC
J22 Choose one:
2–4 ON
3–4 ON
4–6 ON
High voltage ADC power
VDD_HV_ADV0/1 — 3.3 V from PwrSBC
VDD_HV_ADV0/1 — 3.3 V from main board (default)
VDD_HV_ADV0/1 — 3.3 V from external supply
J23 Choose one:
2–4 ON
3–4 ON
4–6 ON
High voltage PMU supply
VDD_HV_PMU — 3.3 V from PwrSBC
VDD_HV_PMU — 3.3 V from main board (default)
VDD_HV_PMU — 3.3 V from external supply
J16 Choose one:
2–4 ON
3–4 ON
4–6 ON
Low voltage supply
VDD_LV_CORE — use NPN transistor, internal regulation
VDD_LV_CORE — 1.25 V from main board, external regulation (default)
VDD_LV_CORE — 1.25 V from external supply, external regulation